/* =========================================================
   کاردلاین — استایل تک‌صفحه (RTL / فارسی)
   رنگ برند اصلی حفظ شده: #0aa0c7
   ========================================================= */
:root{
  --brand:      #0aa0c7;   /* فیروزه‌ای برند (اصل سایت) */
  --brand-deep: #0b7f9e;   /* تیره‌تر برای هاور/گرادیان */
  --brand-dark: #076f8a;
  --ink:        #0e2233;   /* سرمه‌ای متن اصلی */
  --ink-soft:   #51667a;   /* متن ملایم */
  --paper:      #f3f8fb;   /* پس‌زمینه سرد و روشن */
  --surface:    #ffffff;
  --line:       #dde9f0;
  --amber:      #f5a623;   /* تنها لهجهٔ گرم — ستاره‌ها */
  --wa:         #25d366;
  --radius:     16px;
  --radius-sm:  11px;
  --shadow-sm:  0 4px 14px rgba(14,34,51,.06);
  --shadow-md:  0 12px 34px rgba(9,102,138,.12);
  --shadow-lg:  0 26px 60px rgba(9,102,138,.18);
  --maxw:       1200px;
  --font: "Vazirmatn", "Tahoma", "Segoe UI", sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--paper);
  line-height:1.85;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}

.container{max-width:var(--maxw);margin-inline:auto;padding-inline:24px}
.section{padding:96px 0}

/* ---------- عناصر عمومی ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-weight:700;font-size:.85rem;color:var(--brand-deep);
  letter-spacing:.2px;margin-bottom:16px;
}
.eyebrow--center{justify-content:center}
.eyebrow--light{color:#bff0ff}
.chip{
  width:14px;height:14px;border-radius:4px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  box-shadow:0 0 0 4px rgba(10,160,199,.14);flex:none;
}
.section__title{
  font-size:clamp(1.6rem,3.4vw,2.5rem);
  font-weight:800;line-height:1.35;letter-spacing:-.3px;
}
.section__head{text-align:center;max-width:720px;margin:0 auto 52px}
.section__sub{color:var(--ink-soft);margin-top:14px;font-size:1.02rem}
.grad{
  background:linear-gradient(120deg,var(--brand),var(--brand-deep));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ---------- دکمه‌ها ---------- */
.btn{
  --bg:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#fff;font-family:inherit;font-weight:700;font-size:.98rem;
  padding:12px 24px;border-radius:999px;border:0;cursor:pointer;
  box-shadow:0 8px 20px rgba(10,160,199,.28);
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(10,160,199,.38)}
.btn:active{transform:translateY(0)}
.btn:focus-visible{outline:3px solid #7fdcf2;outline-offset:2px}
.btn--lg{padding:15px 32px;font-size:1.05rem}
.btn--sm{padding:9px 18px;font-size:.9rem}
.btn--block{width:100%}
.btn--ghost{
  background:transparent;color:var(--brand-deep);
  border:1.6px solid var(--brand);box-shadow:none;
}
.btn--ghost:hover{background:rgba(10,160,199,.08);box-shadow:none}
.btn--wa{background:linear-gradient(135deg,#2bd06f,#1fae57);box-shadow:0 8px 20px rgba(37,211,102,.3)}
.btn--wa:hover{box-shadow:0 14px 28px rgba(37,211,102,.42)}

/* =========================================================
   هدر
   ========================================================= */
.site-header{position:sticky;top:0;z-index:100}
.topbar{background:var(--ink);color:#cfe0ec;font-size:.86rem}
.topbar__inner{display:flex;justify-content:space-between;align-items:center;gap:16px;height:42px}
.topbar__tag{opacity:.85}
.topbar__links{display:flex;gap:22px}
.topbar__links a{display:inline-flex;align-items:center;gap:6px;color:#cfe0ec;transition:color .15s}
.topbar__links a:hover{color:#fff}
.topbar__links svg{color:var(--brand)}

.navbar{
  background:rgba(255,255,255,.9);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);transition:box-shadow .2s;
}
.site-header.scrolled .navbar{box-shadow:var(--shadow-sm)}
.navbar__inner{display:flex;align-items:center;gap:22px;height:76px}
.brand img{height:42px;width:auto}
.nav-menu{display:flex;gap:6px;margin-inline-start:auto}
.nav-menu a{
  position:relative;padding:9px 15px;border-radius:10px;
  font-weight:600;color:var(--ink);font-size:.98rem;transition:color .15s,background .15s;
}
.nav-menu a:hover{color:var(--brand-deep);background:rgba(10,160,199,.07)}
.nav-menu a.is-active{color:var(--brand-deep)}
.nav-menu a.is-active::after{
  content:"";position:absolute;inset-inline:15px;bottom:3px;height:2.5px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-deep));
}
.nav-cta{flex:none}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2.5px;background:var(--ink);border-radius:2px;transition:.25s}
.nav-toggle.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* =========================================================
   هیرو
   ========================================================= */
.hero{position:relative;padding:78px 0 92px;overflow:hidden}
.hero__glow{
  position:absolute;inset-inline-start:-10%;top:-30%;width:70%;height:120%;
  background:radial-gradient(closest-side,rgba(10,160,199,.16),transparent 70%);
  pointer-events:none;
}
.hero__inner{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  position:relative;z-index:1;
}
.hero__title{font-size:clamp(2rem,5vw,3.5rem);font-weight:800;line-height:1.3;letter-spacing:-.5px}
.hero__lead{margin:22px 0 30px;color:var(--ink-soft);font-size:1.12rem;max-width:36ch}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap}
.hero__stats{display:flex;gap:34px;margin-top:44px;flex-wrap:wrap}
.hero__stats li{display:flex;flex-direction:column}
.hero__stats strong{font-size:1.7rem;font-weight:800;color:var(--brand-deep);line-height:1.2}
.hero__stats span{font-size:.9rem;color:var(--ink-soft)}

.hero__visual{display:flex;justify-content:center}
.hero__card{
  position:relative;width:min(430px,100%);
  background:linear-gradient(160deg,#ffffff,#eef7fb);
  border:1px solid var(--line);border-radius:26px;
  padding:34px 30px 26px;box-shadow:var(--shadow-lg);
}
.hero__card::before{
  content:"";position:absolute;inset:0;border-radius:26px;padding:1px;
  background:linear-gradient(160deg,rgba(10,160,199,.5),transparent 40%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.hero__card img{width:100%;filter:drop-shadow(0 22px 26px rgba(9,102,138,.22))}
.hero__card-chip{
  position:absolute;top:22px;inset-inline-end:26px;width:42px;height:32px;border-radius:7px;
  background:linear-gradient(135deg,#f5cf6a,#d9a531);
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.35);
}
.hero__card-chip::after{
  content:"";position:absolute;inset:6px;border:1.5px solid rgba(120,80,10,.35);border-radius:3px;
}
.hero__card-badge{
  position:absolute;inset-inline-start:22px;bottom:20px;
  background:var(--ink);color:#fff;padding:10px 16px;border-radius:12px;
  font-weight:700;font-size:1rem;box-shadow:var(--shadow-md);line-height:1.5;
}
.hero__card-badge span{display:block;font-size:.72rem;font-weight:600;color:var(--brand);}

/* =========================================================
   درباره ما
   ========================================================= */
.about__inner{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.about__media{position:relative}
.about__media img{
  width:100%;border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(160deg,#fff,#eef7fb);box-shadow:var(--shadow-md);
}
.about__badge{
  position:absolute;inset-inline-start:-10px;bottom:-18px;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:14px 20px;box-shadow:var(--shadow-md);line-height:1.5;
}
.about__badge strong{display:block;color:var(--brand-deep);font-size:1.05rem}
.about__body p{color:var(--ink-soft);margin-top:16px}
.about__body b{color:var(--ink);font-weight:700}
.about__list{margin:24px 0 30px;display:grid;gap:12px}
.about__list li{position:relative;padding-inline-start:30px;color:var(--ink)}
.about__list li::before{
  content:"";position:absolute;inset-inline-start:0;top:9px;width:16px;height:16px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,var(--brand) 0 4px,transparent 5px),rgba(10,160,199,.16);
}

/* =========================================================
   محصولات
   ========================================================= */
.products{background:linear-gradient(180deg,#fff,var(--paper))}
.filters{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:28px}
.filter{
  font-family:inherit;font-weight:600;font-size:.95rem;cursor:pointer;
  padding:9px 20px;border-radius:999px;border:1.4px solid var(--line);
  background:var(--surface);color:var(--ink-soft);transition:.18s;
}
.filter:hover{border-color:var(--brand);color:var(--brand-deep)}
.filter.is-active{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#fff;border-color:transparent;box-shadow:0 8px 18px rgba(10,160,199,.26);
}

.grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:20px;
}
.card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s;
  opacity:0;transform:translateY(14px);animation:cardIn .45s ease forwards;
}
@keyframes cardIn{to{opacity:1;transform:none}}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(10,160,199,.4)}
.card__media{
  position:relative;height:230px;background:linear-gradient(160deg,#fbfdff,#eef5f9);
  display:flex;align-items:center;justify-content:center;padding:18px;flex:none;
}
.card__media img{
  width:100%;height:100%;object-fit:contain;object-position:center;
  mix-blend-mode:multiply;transition:transform .3s;
}
.card:hover .card__media img{transform:scale(1.05)}
.card__cat{
  position:absolute;top:12px;inset-inline-start:12px;
  background:rgba(10,160,199,.12);color:var(--brand-deep);
  font-size:.72rem;font-weight:700;padding:4px 11px;border-radius:999px;
}
.card__body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:12px;flex:1}
.card__title{
  font-size:1.02rem;font-weight:700;line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;min-height:3.2em;
}
.card__price{font-size:.86rem;color:var(--ink-soft);margin-top:auto}
.card__price b{color:var(--brand-deep)}
.card__cta{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:10px 14px;border-radius:11px;font-weight:700;font-size:.92rem;
  background:rgba(10,160,199,.09);color:var(--brand-deep);
  border:1.3px solid rgba(10,160,199,.25);transition:.18s;
}
.card__cta:hover{background:var(--brand);color:#fff;border-color:transparent}
.card__cta svg{width:16px;height:16px}

/* =========================================================
   نظرات مشتریان
   ========================================================= */
.reviews{background:var(--paper)}
.reviews__grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
.review{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:14px;
  transition:transform .2s,box-shadow .2s;
}
.review:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.stars{color:var(--amber);letter-spacing:3px;font-size:1.05rem;direction:ltr}
.review blockquote{color:var(--ink-soft);font-size:.98rem;line-height:1.9}
.review figcaption{
  display:flex;align-items:center;gap:12px;font-weight:700;color:var(--ink);
  margin-top:auto;padding-top:8px;
}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));color:#fff;font-weight:800;
}

/* =========================================================
   تماس
   ========================================================= */
.contact{position:relative;background:var(--ink);color:#fff;padding:92px 0;overflow:hidden}
.contact__glow{
  position:absolute;inset-inline-end:-8%;top:-40%;width:60%;height:140%;
  background:radial-gradient(closest-side,rgba(10,160,199,.35),transparent 70%);
}
.contact__inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.contact__title{font-size:clamp(1.7rem,3.6vw,2.6rem);font-weight:800;line-height:1.35;margin-bottom:14px}
.contact__lead{color:#b8ccdb;font-size:1.08rem;max-width:44ch}
.contact__methods{display:grid;gap:16px;margin:30px 0}
.contact__methods li{display:flex;align-items:center;gap:14px}
.ci{
  width:46px;height:46px;border-radius:12px;flex:none;display:grid;place-items:center;
  background:rgba(10,160,199,.16);color:var(--brand);border:1px solid rgba(10,160,199,.3);
}
.contact__methods small{display:block;color:#8ea6b8;font-size:.82rem}
.contact__methods a,.addr{color:#fff;font-weight:700;font-size:1.05rem}
.contact__quick{display:flex;gap:14px;flex-wrap:wrap}

.contact__form{
  background:#fff;color:var(--ink);border-radius:20px;padding:30px 28px;box-shadow:var(--shadow-lg);
}
.contact__form h3{font-size:1.3rem;font-weight:800}
.form__hint{color:var(--ink-soft);font-size:.9rem;margin:6px 0 18px}
.field{margin-bottom:14px;display:flex;flex-direction:column;gap:6px}
.field label{font-size:.9rem;font-weight:700}
.field input,.field select,.field textarea{
  font-family:inherit;font-size:.98rem;color:var(--ink);
  padding:12px 14px;border:1.4px solid var(--line);border-radius:11px;background:#fbfdff;
  transition:border-color .15s,box-shadow .15s;resize:vertical;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(10,160,199,.15);
}
.form__note{margin-top:12px;font-size:.92rem;font-weight:700;color:var(--brand-deep);text-align:center}

/* =========================================================
   فوتر
   ========================================================= */
.footer{background:#0a1c2b;color:#a9c0d1;padding-top:64px}
.footer__inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer__logo{background:#fff;padding:8px 12px;border-radius:10px;height:auto;width:170px}
.footer__brand p{margin-top:16px;font-size:.95rem;line-height:1.9;max-width:34ch}
.socials{display:flex;gap:10px;margin-top:18px}
.socials a{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,255,255,.06);color:#cfe0ec;transition:.18s;
}
.socials a:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.footer__col h4{color:#fff;font-size:1.05rem;margin-bottom:16px}
.footer__col ul{display:grid;gap:10px}
.footer__col a{font-size:.95rem;transition:color .15s}
.footer__col a:hover{color:var(--brand)}
.footer__contact li{font-size:.95rem;line-height:2.1}
.footer__bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;font-size:.9rem;text-align:center}

/* =========================================================
   دکمه شناور واتساپ
   ========================================================= */
.fab-wa{
  position:fixed;inset-inline-start:22px;bottom:22px;z-index:90;
  width:58px;height:58px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,#2bd06f,#1fae57);color:#fff;
  box-shadow:0 12px 26px rgba(37,211,102,.4);transition:transform .2s;
  animation:fabpulse 2.6s ease-in-out infinite;
}
.fab-wa:hover{transform:scale(1.08)}
@keyframes fabpulse{0%,100%{box-shadow:0 12px 26px rgba(37,211,102,.4)}50%{box-shadow:0 12px 26px rgba(37,211,102,.4),0 0 0 12px rgba(37,211,102,0)}}

/* =========================================================
   انیمیشن اسکرول
   ========================================================= */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* =========================================================
   واکنش‌گرا (Responsive)
   ========================================================= */
@media (max-width:980px){
  .hero__inner,.about__inner,.contact__inner{grid-template-columns:1fr;gap:40px}
  .hero__visual{order:-1}
  .about__media{max-width:460px}
  .grid{grid-template-columns:repeat(3,1fr)}
  .card__media{height:210px}
  .reviews__grid{grid-template-columns:repeat(2,1fr)}
  .footer__inner{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:760px){
  .section{padding:70px 0}
  .topbar__tag{display:none}
  .topbar__inner{justify-content:center}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-menu{
    position:absolute;top:100%;inset-inline:0;flex-direction:column;gap:0;
    background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-md);
    padding:8px;max-height:0;overflow:hidden;transition:max-height .3s ease;
  }
  .nav-menu.open{max-height:340px}
  .nav-menu a{padding:14px 16px;border-radius:10px}
  .nav-menu a.is-active::after{display:none}
  .grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .card__media{height:180px}
  .reviews__grid{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr 1fr}
  .hero__stats{gap:24px}
}
@media (max-width:440px){
  .container{padding-inline:18px}
  .grid{grid-template-columns:1fr 1fr;gap:12px}
  .card__media{height:150px;padding:12px}
  .card__title{font-size:.92rem}
  .footer__inner{grid-template-columns:1fr}
  .hero__actions .btn,.contact__quick .btn{flex:1}
}

/* دسترس‌پذیری: احترام به کاهش حرکت */
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}